The safety first Cabinet Flex lock is easy to use, but not too easy that your kids can get into things. We have several of these locks and they work really well. They are a bit challenging to get off, but I can get them off pretty quickly. If you had arthritis or something like that, you would have trouble using these locks since you have to push the button really hard and pull to get it off. The best part about these is that you don't have to install anything on your cabinets or furniture. You just need two handles together to use it. I would be annoyed if I had this on something I had to get...